JAMB Geography Past Questions & Answers - Page 92

the sun does not shine on the earth surface at the same time. the earth spin on its axis, every 24 hours , the earth makes a complete rotation on its axis each rotation is called a day as the earth rotate different part of the earth receive sunlight and darkness

V-shaped valley is formed as a result of vertical erosion of a river which makes it deeper with step sides because the water as active in following
Ox-blow lakes are crescent-shaped lakes formed by running water flowing through a meander neck. It is formed at the lower course of a river
Meanders are found at the middle course of a river network
Artificial embankment is a long artificial mound of stone or earth, built to hold back water

answer is D, all other options are wrong because they are not too suitable for chain survey to their land forms(topography)
Plain topography is the most suitable in chain survey because in chain survey, the only instruments required are a pair of compass and a scale rule. On the plain topography there is no bend or contour which makes the setting of compass easy and chain throwing not be stressful

No explanation has been provided for this answer.

Shiroro dam is located in Nigeria at river Kaduna
Cameroon has the Edea dam, Ghana has the Akosombo dam while kenya has the seven forks dam in river Tana in Kenya